William Blair Investment Management
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William Blair Investment Management’s Atour Lifestyle Holdings ATAT Stock Holding History

William Blair Investment Management’s Portfolio ATAT Stock Details ATAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-255,330
Closed -$10.1M – 416
2025
Q4 		$10.1M Buy
255,330
+65,849
+35% +$2.58M 0.03% 315
2025
Q3 		$7.12M Buy
+189,481
New +$6.92M 0.02% 330
2025
Q2 		– Sell
-1,639,155
Closed -$46.5M – 419
2025
Q1 		$46.5M Buy
1,639,155
+730,463
+80% +$20.9M 0.13% 149
2024
Q4 		$24.4M Buy
+908,692
New +$24.4M 0.06% 288

Other funds holding ATAT

OCM
OLP Capital Management Causeway Bay, Hong Kong $400M AUM 17.8% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
WA
WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return
AMH
Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return
MGP
M&G plc London, United Kingdom $20.1B AUM 16.62% 1-Year Est. Return
GAMH
Greenwoods Asset Management (HK) Hong Kong $2.19B AUM 50.16% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

William Blair Investment Management's ATAT Position: Q1 2026 in Review

William Blair Investment Management sold out of Atour Lifestyle Holdings (ATAT) in Q1 2026, closing a stake of 255,330 shares — an estimated $10.1M sold.

William Blair Investment Management first reported a position in ATAT in Q4 2024 and held it in 4 quarters. The position peaked at $46.5M in Q1 2025. 185 funds tracked by Wall St. Rank hold ATAT as of Q1 2026.

  • William Blair Investment Management reported no remaining Atour Lifestyle Holdings position as of Q1 2026 after selling out during the quarter.
  • William Blair Investment Management sold 255,330 Atour Lifestyle Holdings shares in Q1 2026, an estimated $10.1M.
  • William Blair Investment Management first reported a position in Atour Lifestyle Holdings in Q4 2024 and held it in 4 quarters.
  • William Blair Investment Management's Atour Lifestyle Holdings position peaked at $46.5M in Q1 2025.
  • 185 funds tracked by Wall St. Rank held Atour Lifestyle Holdings as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.